Chief Hasi ad-Din of Qazwin

Chief Hasi ad-Din of Qazwin (1245-) was a noble of the Ilkhanate.

Biography
Hasi ad-Din was born in 1245 to the House of Khurshidi, a dynasty of Sunni Muslim Turks that ruled over Qazwin (present-day Qazvin, Qazvin Province, Iran). Hasi ad-Din was recruited by Khagan Hulegu Khan of the Ilkhanate, his liege, to take part in his assassination of Prince al-Muwahhid Taqi al-Din in 1263, and on 11 August 1263 he arranged for bowmen to ambush the prince. However, on 8 September the prince survived the ambush and one of the captured bowmen revealed Hulegu's name.